Server Watch additional files

[djibarian]

Description

Currently server.watch option allows passing options to chokidar. Docs state that the glob can be negated for a node_module to be included, but it doesn't seem to be working for other files which were not previously excluded.

For example, I want to cause a plugin to be called whenever a file /config.json is changed, because that plugin generates an in-memory new json which the app consumes. Ideally that would trigger a reload, like when modifying vite.config.ts.

Trying the following doesn't work, and because the included files are not part of the chokidar options, it looks that there is no way to watch for additional files:

server: {
  watch: {
    ignored: ['!/config.json']
  }
}

Suggested solution

Make the previous negated ignored globs functional or add a new include options to server.watch.

Alternative

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[sapphi-red]

For that case, you can use this.addWatchFile.

[djibarian]

Can't get it to work. Is any other thing, apart from calling this.addWatchFile(), to add to vite's config?

[sapphi-red]

Would you create a reproduction?

[djibarian]

Can't. But wouldn't be this the only needed thing? I spent a lot of time yesterday googling and trying lots of different permutations of the below and couldn't see any other thing that this one, but it doesn't work. My concern is if Vite is stopping this to work in some way, because all the stuff I've found on the internet was related to Rollup, not Vite.

buildStart(){
  this.addWatchFile(path.resolve(
    __dirname,
    'config.json'
  ))
  this.addWatchFile(path.resolve(
    __dirname,
    'app/src/config/config.template.json'
  ))
},